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Philips Semiconductors
256 × 8-bit static low-voltage RAM with
I 2 C-bus interface
16 DEFINITIONS
Data sheet status
Product speci?cation
PCF8570
Objective speci?cation
Preliminary speci?cation
Product speci?cation
This data sheet contains target or goal speci?cations for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains ?nal product speci?cations.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the speci?cation
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the speci?cation.
17 LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
18 PURCHASE OF PHILIPS I 2 C COMPONENTS
Purchase of Philips I 2 C components conveys a license under the Philips’ I 2 C patent to use the
components in the I 2 C system provided the system conforms to the I 2 C specification defined by
Philips. This specification can be ordered using the code 9398 393 40011.
1999 Jan 06
18
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